having no personal preference; impersonal criticism; a neutral observer / one who does not side with any party in a war or dispute / Not engaged on either side / not helping or supporting either side in a conflict, disagreement, etc.; impartial.,

Usage

⇒ He is a neutral person ⇒ during the Second World War, Portugal was neutral ⇒ you should always check that the car is in neutral before you start the engine ⇒ she is not a particularly neutral person